Constitution of Kenya, 2010 Right to petition Parliament. 119. (1) Every person has a right to petition Parliament to consider any matter within its authority, including to enact, amend or repeal any legislation. (2) Parliament shall make provision for the procedure for the exercise of this right. Official languages of Parliament. 120. (1) The official languages of Parliament shall be Kiswahili, English and Kenyan Sign language, and the business of Parliament may be conducted in English, Kiswahili and Kenyan Sign language. (2) In case of a conflict between different language versions of an Act of Parliament, the version signed by the President shall prevail. Quorum. 121. The quorum of Parliament shall be–– (a) fifty members, in the case of the National Assembly; or (b) fifteen members, in the case of the Senate. Voting in Parliament. 122. (1) Except as otherwise provided in this Constitution, any question proposed for decision in either House of Parliament shall be determined by a majority of the members in that House, present and voting. (2) On a question proposed for decision in either House— (a) the Speaker has no vote; and (b) in the case of a tie, the question is lost. (3) A member shall not vote on any question in which the member has a pecuniary interest. (4) In reckoning the number of members of a House of Parliament for any purpose of voting in that House, the Speaker of that House shall not be counted as a member. Decisions of Senate. 123. (1) On election, all the members of the Senate who were registered as voters in a particular county shall collectively constitute a single delegation for purposes of clause (4) and the member elected under Article 98 (1) (a) shall be the head of the delegation. 71